لینک راهنمای opencv ورژن 3.1.0 به زبان c++

hough_circle

http://docs.opencv.org/3.1.0/d4/d70/tutorial_hough_circle.html#gsc.tab=0

cvtColor

http://docs.opencv.org/3.1.0/de/d25/imgproc_color_conversions.html#gsc.tab=0

finds circles in a grayscale image using  Hough transform.

http://docs.opencv.org/3.1.0/dd/d1a/group__imgproc__feature.html#ga47849c3be0d0406ad3ca45db65a25d2d&gsc.tab=0

http://docs.opencv.org/3.1.0/d4/d70/tutorial_hough_circle.html#gsc.tab=0

drawing rectangle

http://docs.opencv.org/2.4/modules/core/doc/drawing_functions.html#rectangle

haarcascade_righteye & left _2splits.xml

http://yushiqi.cn/research/eyedetection

namedWindow

http://docs.opencv.org/2.4/modules/highgui/doc/user_interface.html?highlight=namedwindow#namedwindow

How to determine world coordinates of a camera?

http://stackoverflow.com/questions/15727527/how-to-determine-world-coordinates-of-a-camera

Camera Calibration and 3D Reconstruction

http://docs.opencv.org/3.1.0/d9/d0c/group__calib3d.html#gsc.tab=0

cv::viz::Camera::Camera

http://docs.opencv.org/3.1.0/dc/d3a/classcv_1_1viz_1_1Camera.html#details&gsc.tab=0

MouseEvent

http://docs.opencv.org/3.1.0/dc/d3b/classcv_1_1viz_1_1MouseEvent.html#details&gsc.tab=0